QSC PowerLight Series Technical & Service Manual page 14

Figure 2.6. Removing or installing the
power supply modules.
14. Insert and tighten the two screws under the power cord.
15. On each audio module, tuck the two fan wires into one or two
slots of the heat sink. Reconnect both to the four-pin header
on the audio module.
16. Reconnect the input headers to the audio module.
17. Tip the amplifier up on its right side (the side opposite the
power cord). Insert and tighten the three flat head screws in a
line along the center of the side panel.
18. Set the amp back down. Reconnect the five power supply
wires, 0 through 4, to their respective screw terminals at the
front of the module. Make sure they are placed in the proper
sequence—from left to right, as viewed from the front of the
amplifier:.0, 1, 2, 3, and 4.
19. Reconnect the power supply control interface. Make sure the
latching wings of the board-mounted connector are up all the
way.
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Key QSC Part Description
1 CH-000078-00 Chassis, PL 9.0
2 WP-000173-00 Power supply PCB assy. (120V)
WP-000180-00 Power supply PCB assy. (230V)
3 SC-040155-00 Screw, #4-40 shoulder hex head
4 SC-060042-PP Screw, #6-32 × 1/4", SEMS
5 NW-080500-KP Keps nut, #8-32
20. Reconnect the housekeeping supply wires at the front of the
module.
21. Using five new tie wraps, secure the wire bundles to the
chassis partition at or near the front of the amplifier. Each
secures one bundle, except for the one at the center, which
secures two.
22. Using two new tie wraps, re-connect and secure the two
headers to the display board.
23. Re-install the top cover of the amplifier.
Qty.
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2
2
2
4
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QSC Audio Products, Inc.
TD-000083-00